A 35 nV/√Hz Analog Front-End Circuit with Adjustable Bandwidth and Gain in UMC 40 nm CMOS for Biopotential Signal Acquisition

A 35 nV/√Hz Analog Front-End Circuit with Adjustable Bandwidth and Gain in UMC 40 nm CMOS for Biopotential Signal Acquisition

This paper presents a 35 nV/√Hz analog front-end (AFE) circuitdesigned in the UMC 40 nm CMOS technology for the acquisition of biopotential signal. The proposed AFE consists of a capacitive-coupled instrumentation amplifier (CCIA) and a combination of a programmable gain amplifier (PGA) and a low-pa...

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Bibliographic Details
Main Authors: Lu Liu, Bin Wang, Yiren Xu, Xiaokun Lin, Weitao Yang, Yinglong Ding
Format: Article
Language:English
Published: MDPI AG 2024-12-01
Series:Sensors
Subjects:
capacitively-coupled chopper instrumentation amplifier
low noise
dc servo loop
ripple reduction loop
bandwidth-gain adjustable
biopotential signal acquisition
Online Access:https://www.mdpi.com/1424-8220/24/24/7994
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